[SYCL][libdevice] Add __imf_llmax/min, __imf_ullmax/min, __imf_umax/min

libdevice/device_imf.hpp

@@ -92,6 +92,18 @@ static inline TyFP __integral2FP_host(TyINT x, int rdMode) {
 }
 #endif // __LIBDEVICE_HOST_IMPL__
 
+template <typename Ty> static inline Ty __imax(Ty x, Ty y) {
+  static_assert(std::is_integral<Ty>::value,
+                "__imax only accepts integral type.");
+  return (x > y) ? x : y;
+}
+
+template <typename Ty> static inline Ty __imin(Ty x, Ty y) {
+  static_assert(std::is_integral<Ty>::value,
+                "__imin only accepts integral type.");
+  return (x < y) ? x : y;
+}
+
 static inline float __fclamp(float x, float y, float z) {
 #if defined(__LIBDEVICE_HOST_IMPL__)
   return __builtin_fmin(__builtin_fmax(x, y), z);

libdevice/imf_utils/integer_misc.cpp

@@ -173,4 +173,37 @@ unsigned long long int __devicelib_imf_umul64hi(unsigned long long int x,
                               static_cast<uint64_t>(y));
 #endif
 }
+
+DEVICE_EXTERN_C_INLINE
+long long int __devicelib_imf_llmax(long long int x, long long int y) {
+  return __imax(x, y);
+  ;
+}
+
+DEVICE_EXTERN_C_INLINE
+long long int __devicelib_imf_llmin(long long int x, long long int y) {
+  return __imin(x, y);
+}
+
+DEVICE_EXTERN_C_INLINE
+unsigned long long int __devicelib_imf_ullmax(unsigned long long int x,
+                                              unsigned long long int y) {
+  return __imax(x, y);
+}
+
+DEVICE_EXTERN_C_INLINE
+unsigned long long int __devicelib_imf_ullmin(unsigned long long int x,
+                                              unsigned long long int y) {
+  return __imin(x, y);
+}
+
+DEVICE_EXTERN_C_INLINE
+unsigned int __devicelib_imf_umax(unsigned int x, unsigned int y) {
+  return __imax(x, y);
+}
+
+DEVICE_EXTERN_C_INLINE
+unsigned int __devicelib_imf_umin(unsigned int x, unsigned int y) {
+  return __imin(x, y);
+}
 #endif //__LIBDEVICE_IMF_ENABLED__

libdevice/imf_wrapper.cpp

@@ -292,6 +292,58 @@ float __imf_half2float(_iml_half_internal x) {
   return __devicelib_imf_half2float(x);
 }
 
+DEVICE_EXTERN_C_INLINE
+long long int __devicelib_imf_llmax(long long int, long long int);
+
+DEVICE_EXTERN_C_INLINE
+long long int __devicelib_imf_llmin(long long int, long long int);
+
+DEVICE_EXTERN_C_INLINE
+unsigned long long int __devicelib_imf_ullmax(unsigned long long int,
+                                              unsigned long long int);
+
+DEVICE_EXTERN_C_INLINE
+unsigned long long int __devicelib_imf_ullmin(unsigned long long int,
+                                              unsigned long long int);
+
+DEVICE_EXTERN_C_INLINE
+unsigned int __devicelib_imf_umax(unsigned int, unsigned int);
+
+DEVICE_EXTERN_C_INLINE
+unsigned int __devicelib_imf_umin(unsigned int, unsigned int);
+
+DEVICE_EXTERN_C_INLINE
+long long int __imf_llmax(long long int x, long long int y) {
+  return __devicelib_imf_llmax(x, y);
+}
+
+DEVICE_EXTERN_C_INLINE
+long long int __imf_llmin(long long int x, long long int y) {
+  return __devicelib_imf_llmin(x, y);
+}
+
+DEVICE_EXTERN_C_INLINE
+unsigned long long int __imf_ullmax(unsigned long long int x,
+                                    unsigned long long int y) {
+  return __devicelib_imf_ullmax(x, y);
+}
+
+DEVICE_EXTERN_C_INLINE
+unsigned long long int __imf_ullmin(unsigned long long int x,
+                                    unsigned long long int y) {
+  return __devicelib_imf_ullmin(x, y);
+}
+
+DEVICE_EXTERN_C_INLINE
+unsigned int __imf_umax(unsigned int x, unsigned int y) {
+  return __devicelib_imf_umax(x, y);
+}
+
+DEVICE_EXTERN_C_INLINE
+unsigned int __imf_umin(unsigned int x, unsigned int y) {
+  return __devicelib_imf_umin(x, y);
+}
+
 DEVICE_EXTERN_C_INLINE
 unsigned int __devicelib_imf_brev(unsigned int);
 

llvm/tools/sycl-post-link/SYCLDeviceLibReqMask.cpp

@@ -171,6 +171,12 @@ SYCLDeviceLibFuncMap SDLMap = {
     {"__devicelib_memcmp", DeviceLibExt::cl_intel_devicelib_cstring},
     {"__devicelib_assert_read", DeviceLibExt::cl_intel_devicelib_assert},
     {"__devicelib_assert_fail", DeviceLibExt::cl_intel_devicelib_assert},
+    {"__devicelib_imf_llmax", DeviceLibExt::cl_intel_devicelib_imf},
+    {"__devicelib_imf_llmin", DeviceLibExt::cl_intel_devicelib_imf},
+    {"__devicelib_imf_ullmax", DeviceLibExt::cl_intel_devicelib_imf},
+    {"__devicelib_imf_ullmin", DeviceLibExt::cl_intel_devicelib_imf},
+    {"__devicelib_imf_umax", DeviceLibExt::cl_intel_devicelib_imf},
+    {"__devicelib_imf_umin", DeviceLibExt::cl_intel_devicelib_imf},
     {"__devicelib_imf_brev", DeviceLibExt::cl_intel_devicelib_imf},
     {"__devicelib_imf_brevll", DeviceLibExt::cl_intel_devicelib_imf},
     {"__devicelib_imf_byte_perm", DeviceLibExt::cl_intel_devicelib_imf},

sycl/include/sycl/builtins.hpp

@@ -1738,6 +1738,16 @@ extern SYCL_EXTERNAL double hypot(double x, double y);
 extern SYCL_EXTERNAL void *memcpy(void *dest, const void *src, size_t n);
 extern SYCL_EXTERNAL void *memset(void *dest, int c, size_t n);
 extern SYCL_EXTERNAL int memcmp(const void *s1, const void *s2, size_t n);
+extern SYCL_EXTERNAL long long int __imf_llmax(long long int x,
+                                               long long int y);
+extern SYCL_EXTERNAL long long int __imf_llmin(long long int x,
+                                               long long int y);
+extern SYCL_EXTERNAL unsigned long long int
+__imf_ullmax(unsigned long long int x, unsigned long long int y);
+extern SYCL_EXTERNAL unsigned long long int
+__imf_ullmin(unsigned long long int x, unsigned long long int y);
+extern SYCL_EXTERNAL unsigned int __imf_umax(unsigned int x, unsigned int y);
+extern SYCL_EXTERNAL unsigned int __imf_umin(unsigned int x, unsigned int y);
 extern SYCL_EXTERNAL unsigned int __imf_brev(unsigned int x);
 extern SYCL_EXTERNAL unsigned long long int
 __imf_brevll(unsigned long long int x);